Ordering Information Model 396P pH/ORP Sensor Preamplifier/Cable 02 15 ft. Integral cable without preamplifier Measuring Electrode Type 10 pH - GPLR Glass Transmitter/TC Compability 55 Pt-100, for use with model 56, 1056, 1057,1066, 5081(1) Also compatible with legacy transmitter models 54, 1055, 6081, 81, 3081, 4081, and XMT.